take@MacBook-Air ~/v/sshkit> ruby sample.rb
INFO [4b19d6d3] Running /usr/bin/env uptime on 192.168.33.10
/Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/verifiers/secure.rb:50:in`process_cache_miss': fingerprint 11:48:65:bc:27:f5:30:82:7d:81:c2:b7:79:ac:36:ae does not match for "192.168.33.10" (Net::SSH::HostKeyMismatch) from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/verifiers/secure.rb:35:in `verify' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/verifiers/strict.rb:16:in `verify' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/verifiers/lenient.rb:15:in `verify'
from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/kex/diffie_hellman_group1_sha1.rb:173:in`verify_server_key' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/kex/diffie_hellman_group1_sha1.rb:68:in `exchange_keys' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/algorithms.rb:364:in `exchange_keys' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/algorithms.rb:205:in `proceed!'
from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/algorithms.rb:196:in`send_kexinit' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/algorithms.rb:151:in `accept_kexinit' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/session.rb:195:in `block in poll_message' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/session.rb:173:in `loop'
from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/session.rb:173:in`poll_message' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/session.rb:210:in `block in wait' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/session.rb:208:in `loop' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/session.rb:208:in `wait'
from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/session.rb:87:in`initialize' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh.rb:202:in `new' from /Library/Ruby/Gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh.rb:202:in `start' from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/backends/connection_pool.rb:59:in `call'
from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/backends/connection_pool.rb:59:in`with' from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/backends/netssh.rb:155:in `with_ssh' from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/backends/netssh.rb:108:in `execute_command' from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/backends/abstract.rb:141:in `block in create_command_and_execute'
from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/backends/abstract.rb:141:in`tap' from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/backends/abstract.rb:141:in `create_command_and_execute' from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/backends/abstract.rb:74:in `execute' from sample.rb:6:in `block in <main>'
from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/backends/abstract.rb:29:in`instance_exec' from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/backends/abstract.rb:29:in `run' from /Library/Ruby/Gems/2.0.0/gems/sshkit-1.11.2/lib/sshkit/runners/parallel.rb:12:in `block (2 levels)in execute'